Home / 226,540.61-312,632.84-124,560.80

Finding the Fourth Proportional to 226,540.61, 312,632.84 and 124,560.80

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Solution

The fourth proportional to 226,540.61, 312,632.84 and 124,560.80 is: 171,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,540.61 : 312,632.84 = 124,560.80 : x
  2. Step 2: Convert to fraction form
    226,540.61/312,632.84 = 124,560.80/x
  3. Step 3: Cross multiply
    226,540.61x = 312,632.84 × 124,560.80
  4. Step 4: Simplify right side
    226,540.61x = 38,941,796,656.67
  5. Step 5: Solve for x
    x = 38,941,796,656.67/226,540.61
  6. Step 6: Final answer
    x = 171,897.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.